UK tech tycoon Mike Lynch was found not guilty of criminal charges that he pulled off Silicon Valley’s biggest-ever fraud 13 years ago by duping Hewlett Packard Co. into buying his software startup for $11 billion.His victory is stunning after he lost a civil trial in the UK in 2022 over allegations that he and Autonomy’s former finance chief used accounting tricks to inflate the company’s revenue ahead of its 2011 sale....